don’t try to plan for every contingency. Doing so will only overburden you and weigh you down so that you cannot quickly maneuver. - Jocko Willink

If you do not believe you are disciplined, it is because you have not decided to become disciplined. Yet.

When leaders who epitomize Extreme Ownership drive their teams to achieve a higher standard of performance, they must recognize that when it comes to standards, as a leader, it’s not what you preach, it’s what you tolerate.

Humans can withstand almost inconceivable stress — and you can too. So that is your first step: Gain perspective. And to do that you must do something critical in many situations: Detach. Whatever problems or stress you are experiencing, detach from them. Stress is generally caused by what you can’t control.